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L. WHITE. MACHINE FOR ROLLING GYLINDRIGAL FORMS OF METAL.

Patented June 17, 1890.

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L. WHITE. v MACHINE FOR ROLLING GYLINDRIGAL FORMS OF METAL.

No. 430,359. PatentedJune 17, 1890.

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(No Model.) 4 Sheets-Sheet a.

L. WHITE.

MACHINE FOR ROLLING GYLINDRIGAL FORMS OF METAL. No. 430,359. Patented'June 17, 1890.

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L. WHITE. MACHINE FOR ROLLING OYLINDRIOAL FORMS OF METAL.

No. 430,859. Patented June 17,1890.

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WITNESSES:

ATTORNEYS.

UNITED STATES CATENT OFFICE.

LYMAN WHITE, OF ATERBURY, CONNECTICUT, ASSIGNOR TO RANDOLPH & CLOVVES,-OF SAME PLACE.

MACHINE FOR ROLLING CYLIN DRICAL FORMS OF METAL.

SPECIFICATION forming part of Letters Patent No. 430,359, dated June 17, 1890.

Application filed October 22, 1889. Serial No. 327,841. (No model.)

To all whom it may concern:

Be it known that I, LYMAN WHITE, of Waterbury, in the county of New Haven and State of Connecticut, have invented a new and Improved Machine for Rolling Cylindrical Forms of Metal, of which the following is a full, clear, and exact description.

My invention relates to an improvement in machines for rolling cylindrical forms of metal, and has for its object to provide a new, novel, and practical manner-of housing two pairs of rolls within one frame or head for the purpose of rolling cylindrical forms of metal, either solid or hollow, in order to reduce the size or thickness of the same, either through the entire length or at any point, section, or portion between the two ends, or to figure, neck, flange, form joints, point, or cut the same.

A further object of the invention is to so arrange the reducing or forming rolls that the work and the rolls may with ease and facility be adjusted to each other or the work readily taken from the rolls at any point or stage in the operation of rolling.

The invention consists in the novel construction and combination of the several parts, as will be hereinafter fully set forth, and pointed out in the claims.

Reference is to be had to the accompanying drawings, forming a part of this specification, in which similar letters and figures of reference indicate corresponding parts in all the views.

Figure 1 is a side elevation of the machine. Fig. 2 is a plan view of the same. Fig. 3 isa transverse section taken practically on the line a: w of Fig. 2, illustrating the bed-frame in elevation and also one section of the housing and a portion of its frame. Fig. 4 is a horizontal section on line y y of Fig. 3. Fig. 5 is a front end elevation; and Fig. 6 is asection on line 5 z of Fig. 2, the mandrel being removed.

The bed-frame of the machine consists of two side pieces 10, end pieces 11, and legs 12, supporting the same. The side pieces are recessed upon their inner faces at the top, and guide-strips 13 are bolted thereon to form a slideway, in which a table 14: has lateral movement, as shown in Figs. 3 and .6. The

table extends virtually from end to end of the bed-frame, and near each extremity, upon its under face, a lug 15 is formed, to which lugs the ends of a cable 16 are secured, the

. said cable being carried over a drum 17, lo-

cated between the side pieces at or near the center of the bed-frame.

At the point where the drum is located a bracketlS is bolted to the side pieces 10. These brackets are usually provided with braces 18, and upon the outer face of each bracket a hanger 19 is fastened, in which a shaft 20, carrying the drum, is journaled. The drum-shaft is provided at one outer end with a worm-wheel 21, meshing with a worm 22, the worm-shaft being journaled beneath the worm-wheel and provided at its forward end, which extends beyond the bed, with a bevel-pinion 23. The connection of the worm shaft with the drive-shaft will be hereinafter described.

Upon the horizontal members of the brackets 18 uprights 24 are securely bolted, connected by a cap-plate 25, and the said uprights are prevented from spreading by introducing at the top and bottom a horizontal binder 26, consisting of a flat bar having upturned ends, which ends contact with the outer surface of the uprights, as best shown in Figs. 1 and 3.

Within the frame thus formed are located the roll-housings 27, constructed in two sections, A A forming one and A and A the other section. Each section consists, practically, of a rectangular block of metal snugly fitting between the top and bottom of the frame in which they are located and capable of lateral adjustment therein, each of which blocks has a central cavity 28 produced in its inner longitudinal edge, as shown in Fig. 3, and upon the front and rear face of each of the sections an essentially-triangular.boss 29 is formed for the purpose of extending the length of the bearings for the journals without enlarging the whole area of the housings.

In the upper portion of each set of housings an arbor 30 is journaled, and another arbor 31 is journaled near the lower end, both of which pass through the bosses 29. Each upper and lower arbor of each pair of housing-sections is provided with a fast'pinion,

' tion of the arbors two horizontally-aligning rolls are located in the upper portion of each housing and two similarly-aligning rolls in the bottom of each housing, which rolls extend over the concavity 28. The inner edges of the opposed housing-sections contain adjusting-screws 35. Tie-bolts 36 are employed to connect the housing-sections A to A and A to A respectively, and the forward section of each housing has swiveled in its outer edge two stay-bolts 3'7-one near the top and the other near the bottom-which stay-bolts pass through the uprights 24, and are provided upon their outer extremities with an adj Listing-nut 38. The said bolts effectually prevent the canting of the sections when the rolls 34 are pressing upon the tube to be reduced or figured. The fine adjustment of each section is accomplished by manipulating the screws 35.

The adjustment of the rollsin their respective housings is accomplished in the following manner: The inner end of screws 39 is swiveled in the outer edges of said sections at top and bottom, which screws pass through threaded bushings 40, introduced into the uprights of the housing-frame, and upon the upper extremity of each adjusting-screw 30 a worm-wheel 40 is secured, meshing with worms 41 upon perpendicular shafts 42, one of which shafts is journaled upon each upright of the housing-frame. Each shaft 42, near its upper end, is provided with a bevelpinion 43 and one or both of said shafts with a hand-wheel 44, and the two shafts 42 are connected by a horizontal shaft 45, journaled upon the cap-plate 25, the said horizontal shaft being provided with a bevel-pinion 46 at each extremity, meshing with the pinions 43, as shown in Fig.2. This means of adjusting could, however, be changed without departing from the spirit of the. invention as, for instance, a means may be provided whereby each of the said sections may be adjusted separately or together, as required.

Between the arbors 30 of each pair of housing-sections the rear end of a line-shaft 47 is journaled, the two shafts being carried to the forward end of the machine in parallel lines, as shown in Fig. 2, and each shaft is provided with an attached pinion 48, which, by meshing with the pinions 32 and 33 of the arbors 30, communicates a rotary motion to the rolls. The journal-boxes 49 of the forward ends of the line-shafts 47 are pivoted, in order that the rear ends of said shafts may readily conform to the necessary adjustment of the housing-sections. This is usually effected by bolting transversely to the bedframe a vertical bracket or hanger 50 and forming upon one face of said hanger, at each side, a tubular pillar or socket 51, as shown in Figs. 1 and 5, and upon the under face of each journal-box 49 a pin 51 is secured, one of which pins is inserted in each socket 51 and prevented from having vertical movement by screwing upon the lower end of each pin a nut 52 or equivalent device, which contacts with the bottom of the socket. Upon the forward end of each shaft 47 a spur-wheel 53 is keyed or otherwise secured, driven by a pinion 54,fast upon the main drive-shaft 55, the rear end of said drive-shaft being j ournaled in the hanger 50, at or near the center thereof. The driveshaft is provided with two loosely-mounted bevel-pinions 56 and 57, meshing with a larger pinion 58 upon one extremity of a horizontal shaft 59, and between the pinions 56 and 57 a clutch 60 is held to slide and to turn with the drive-shaft, provided at each end with a lug 61. The loosely-mounted bevel-pinions are likewise provided with a lug 62, capable of contacting withthe lugs of the clutch. The horizontal shaft 59 is geared to the vertical shaft 63, which drives the lower worm-shaft 22 by means of a bevel-pinion 64, secured to its lower end and meshing with the pinion 23 of the lower worm-shaft 22, as best shown in Fig. 1. Thus by moving the clutch to contact with either one of the bevel-pinions 56 or 57 the table 14 may be made to carry the work either forward or backward.

A tail-stock 65, of any approved construction, is secured to the table 14 at or near its inner end, and at or near the forward end of the table a head-stock 66 is bolted. This latter stock is of peculiar construction for facili-' tating the putting in and taking .out of the mandrels, as shown in Figs. 2 and 6, and'consists of abody-section B, of any desired shape, provided with a forked upper end B, the members whereof are transversely slotted, and within the slot of one member a retaining-bar B is pivoted, the other end of which, provided with a handle B is adapted to enter the slot of the opposite member, and is held in a locked position therein, usually by passing a pin B through said member and the free end of said bar. The centers of the stocks are adapted for contact with each end of a mandrel 67, which mandrel passes between the pairs of housing-sections and is adapted to carry the tube 68 to be manipulated, the said tube being brought in contact with the rolls, as best shown in Fig. 2.

Then it is necessary to remove a tube and mandrel, the center of the head stock is screwed forward from contact with the mandrel, the pin B is withdrawn from said stock, and the retaining-bar thrown upward, exposing the space between the members of the forked end of the stock, whereby the said tube and mandrel may be readily drawn forward to clear the housing.

I desire it to be distinctly understood that, while especial details of construction have been shown and described, I do not confine myself thereto, as other equivalent constructions may be employed without departing from the spirit of the invention.

Having thus described my invention, I claim as new and desire to secure by Letters Patent- 1. The combination, with adjustable housings having a concavity in their inner edges, of two pairs of reducing or shaping rolls independently journaled in the housings and grouped about the opening formed by the said concavities, substantially as shown and described.

2. The combination, with a frame and housings held to slide in said frame, having registering concavities in their inner edges, of reducing or shaping rolls independently journaled in the housings and grouped about the opening formed by the said concavities, and means, substantially as described, for adj usting the housings to and from each other, as specified.

3. The combination, with a frame and housings held to slide in said frame, having registering concavities in their inner edges, of reducing or shaping rolls independently journaled in the housings and grouped about the opening formed by the said conoavities, driveshafts journaled in said housings and geared to the arbors of" therolls, and boxes journaling one end of said shafts, which boxes are pivotally supported, substantially as and for the purpose specified. V

4. The combination, with adjustable housings and reducing or shaping rolls independently journaled in said housings, of driveshafts geared to the arbors of the rolls at one end, and swiveled boxes journaling the opposite ends of said shafts, substantially as shown and described.

5. In a machine for rolling cylindrical forms, the sectional housings 27, in comination with areducing and shaping roll mounted in the upper and lower portions of each section of the housing, substantially as described.

6. In a machine for rollingcylindrical forms, the sectional and adjustable housing 27, in combination with reducing and shaping rolls, one mounted in each of the said sections, substantially as herein shown and described.

7. In a machine for rolling cylindrical forms, the combination, with sectional housings and shaping and reducing roll arbors mounted in said housings, of line-shafts arranged between the said arbors, gearing between the said shaft and arbors, a drive-shaft, and gearing between the drive-shaft and line-shafts, substantially as herein shown and described.

8. Inamachine for rolling cylindrical forms, the combination, with the shaping and reducin g roll arbors, of line-shafts geared with the said arbors and having their forward ends pivoted, a drive-shaft, and gearing between the drive-shaft and line-shafts, substantially as herein shown and described.

9. In a machine for rolling cylindrical forms, the combination, with a table and head and tail stocks mounted thereon, of shaping and reducing rolls, line-shafts, gearing between theline-shafts and shaping and reducing rolls, a drive-shaft, gearing between the drive-shaft and line-shafts, and intermediate mechanism between the drive-shaft and table to operate the latter from the former, substantially as herein shown and described.

10. In a machine for rolling cylindrical forms, the combination, with a head-stock having a forked upper end, the members of which are slotted, of a retaining-bar pivoted in the slot of one member and adapted to enter and to be retained in the slot of the other member, substantially as and for the purpose set forth.

LYMAN WHITE.

WVitnesses:

S. W. KELLOGG, WM. W. BONNETT. 

